Ryan has the numbers 1–30 listed on individual index cards. If Ryan randomly selects 1 card, what is the probability that it will be a multiple of 3 or a multiple of 11?

  1. 👍
  2. 👎
  3. 👁
  1. multiples of 3 are 3n (3,6,9,12...)
    number of terms=10
    p(multiple of 3)=10/30
    multiples of11 11n(11,22)
    p(multiple of 11)=2/30
    p(multiple of 11 or 3)=10/30+2/30=6/15

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Language Arts

    1.Which option describes a reason that an author of a narrative might describe events out of the order in which they occurred? to elicit an emotional response from the reader to create a mistake that the reader has to find and

  2. Precalculus

    Four cards are randomly drawn from a standard deck of 52 cards. Find each probability. a. P(1 ace and 3 kings) b. P(2 odd and 2 face cards)

  3. math

    Ryan has an eight-year loan for $6,000. He is being charged an interest rate of 5 percent, compounded annually. Calculate the total amount that he will pay.

  4. pre algebra

    Ryan is thinking of a number. When he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his original number. What number is Ryan thinking of?

  1. Math

    Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll?

  2. psychology

    Ryan,an avid football enthusiast,and his mother,who is much less familiar with the game are watching their favorite college team attempt to scoreWhich of the following conclusions is most likely? a)The positons of the players form

  3. Math

    Ryan left the science museum and drove south. Gabriella left three hours later driving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan's average speed! My teacher says we have

  4. math

    You select 10 cards randomly from a deck of 52 cards. What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?

  1. math

    Ryan is in charge of ordering pizza for 112 campers. Each camper will get 2 slices. One pizza contains 8 slices. How many pizzas does Ryan need to order??????

  2. physics

    The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would fall 0.809 m (2.65 ft) by the time it reached home plate, 18.3 m (60 ft) away. The

  3. Math

    Ryan estimates the measurement of the volume of a popcorn container to be 282 cubic inches. The actual volume of the popcorn container is 289 cubic inches. What is the relative error of ryan's measurement to the nearest

  4. psychology

    Ryan was purchasing a new garden hose at Wal-Mart when he heard raised voices in the next aisle. When the cart came around the corner, he had to move quickly to dodge an exploring preschool age child followed by an “out of

You can view more similar questions or ask a new question.